EP1729194B1 - Système de mesure de l'image et procédés de génération et d'exécution du programme de mesure de l'image sans interruption - Google Patents

Système de mesure de l'image et procédés de génération et d'exécution du programme de mesure de l'image sans interruption Download PDF

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EP1729194B1
EP1729194B1 EP06011512.8A EP06011512A EP1729194B1 EP 1729194 B1 EP1729194 B1 EP 1729194B1 EP 06011512 A EP06011512 A EP 06011512A EP 1729194 B1 EP1729194 B1 EP 1729194B1
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Prior art keywords
measurement
image
measuring object
measuring
stop
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German (de)
English (en)
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EP1729194A2 (fr
EP1729194B2 (fr
EP1729194A3 (fr
Inventor
Ryoichi Yoshiki
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Mitutoyo Corp
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Mitutoyo Corp
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/42—Recording and playback systems, i.e. in which the programme is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine
    • G05B19/4202—Recording and playback systems, i.e. in which the programme is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine preparation of the programme medium using a drawing, a model
    • G05B19/4207—Recording and playback systems, i.e. in which the programme is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine preparation of the programme medium using a drawing, a model in which a model is traced or scanned and corresponding data recorded
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/03—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring coordinates of points
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/401—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes

Definitions

  • the present invention relates to an image measuring system and methods of generating and executing a non-stop image measuring program, having a non-stop measurement mode for image measurement, in which an imaging means moves relative to a measuring object supported on a measurement stage and captures instantaneous image information at designated measurement positions without making a stop.
  • a conventional CNC image measuring machine comprises a measurement stage, which is moved relative to an imaging means such as a CCD camera and stopped at a measurement position as shown in Fig. 12 . Then, the amount of illuminating light is adjusted to acquire image information about a measuring object. To the acquired image information, image processing such as setting of a measuring tool and edge detection is applied, thereby executing a measurement at one measurement position. This measurement is repeated as Measurement 1, Measurement 2, ... and so on for all measurement positions to achieve measurements at required positions (hereinafter, such the measurement mode is referred to as a "standard measurement mode").
  • a measurement may be performed without making a stop of the measurement stage relative to the imaging means even at a measurement position in a measurement mode (hereinafter, such the measurement mode is referred to as a "non-stop measurement mode").
  • An image measuring machine having such the non-stop measurement mode has been proposed (see JP-A 2004-535587 , paragraphs 0005-0006, Fig. 2 ).
  • This image measuring machine irradiates the measuring object with strobe illumination, as shown in Fig. 13 , without making a stop of the measurement stage at measurement positions.
  • it captures Instantaneous image information imaged using a shuttered CCD camera, for image measurement.
  • the non- stop measurement mode when the relation between the movement speed of the stage and the strobe pulse width is appropriately set, a faster measurement can be achieved as an effect, without lowering the measurement accuracy much.
  • the measurement stage is manually moved to a measurement position, followed by an illumination adjustment. Then, a measurement instruction is given to set the measurement position and the illumination condition.
  • the present invention has been made in consideration of such the problem and has an object to provide an image measuring system and methods of generating and executing a non-stop image measuring program, capable of generating or executing a measuring program in the non-stop measurement mode with a teaching method similar to the conventional one.
  • EP 1 475 627 A relates to a michine vision inspection system and discloses all of the features in the preamble of claims 1 and 4-6.
  • the present invention provides a method of generating a non-stop image measuring program as claimed in claim 1 for image measurement including moving an imaging means relative to a measurement stage supporting a measuring object while irradiating the measuring object with strobe illumination and capturing instantaneous image information about the measuring object at designated measurement positions without making a stop of the imaging means.
  • the method comprises steps of: moving the position of the imaging means relative to the measurement stage based on a stage movement instruction input; adjusting the amount of light illuminating the measuring object by flashing the strobe illumination at a certain cycle repeatedly and adjusting the pulse width of the strobe illumination based on an illumination adjustment instruction input: and generating the measuring program for image measurement including fetching positional information about the imaging means relative to the measurement stage and information about the pulse width of the strobe illumination based on a certain instruction input, irradiating the measuring object while passing through the position indicated by the fetched positional information, with the strobe illumination of the pulse width fetched at that position, and capturing instantaneous image information about the measuring object.
  • the present invention also provides a method of executing a non-stop image measuring program as claimed in claim 4, for image measurement including moving an imaging means relative to a measurement stage supporting a measuring object while irradiating the measuring object with strobe illumination and capturing instantaneous image information about the measuring object at designated measurement positions without making a stop of the imaging means.
  • the method comprises executing the measuring program twice repeatedly; executing, in the first execution, processing for moving the imaging means relative to the measurement stage along a path passing through the position indicated by plural pieces of positional information described in the measuring program while irradiating the measuring object with the strobe illumination and acquiring instantaneous image information about the measuring object at the position designated by the positional information; and executing, in the second execution, processing for reading the captured image information and certain image processing to the read image information.
  • the present invention further provides a first image measuring system as claimed in claim 5 having a non-stop measurement mode for image measurement including moving an imaging means relative to a measurement stage supporting a measuring object while irradiating the measuring object with strobe illumination and capturing instantaneous image information about the measuring object at designated measurement positions without making a stop of the imaging means.
  • the system comprises a means operative to enter a stagemovement instruction, an illumination adjustment instruction and other certain instructions; a means operative to move the position of the imaging means relative to the measurement stage based on the entered stage movement instruction; a means operative to adjust the amount of light illuminating the measuring object by flashing the strobe illumination at a certain cycle repeatedly and adjusting the pulse width of the strobe illumination based on the entered illumination adjustment instruction; and a means operative to generate the measuring program for image measurement including fetching positional information about the imaging means relative to the measurement stage and information about the pulse width of the strobe illumination based on the entered certain instructions, irradiating the measuring object while passing through the position indicated by the fetched positional information, with the strobe illumination of the pulse width fetched at that position, and capturing instantaneous image information about the measuring object.
  • the present invention also provides a second image measuring system as claimed in claim 6, having a non-stop measurement mode for image measurement including moving an imaging means relative to a a measurement stage supporting a measuring object while irradiating the measuring object with strobe illumination and capturing instantaneous image information about the measuring object at designated measurement positions without making a stop of the imaging means.
  • the system comprises a measuring program executing means operative for executing the measuring program twice repeatedly in the non-stop measurement mode, executing, in the first execution, processing for moving the imaging means relative to the measurement stage along a path passing through the position indicated by plural pieces of positional information described in the measuring program while irradiating the measuring object with the strobe illumination and acquiring instantaneous image information about the measuring object at the position designated by the positional information, and executing, in the second execution, processing for reading the captured image information and certain image processing to the read image information.
  • the imaging means and the measurement stage have such a positional relation therebetween as relatively fixed at an image acquisition position.
  • the strobe illumination is flashed toward the measuring object at a certain cycle repeatedly, and the pulse width is adjusted based on an entered instruction on the amount of light while confirming the brightness of the image.
  • the strobe illumination is lightened based on the information about the adjusted pulse width, thereby acquiring image information about the measuring object. Therefore, a non-stop image measuring program can be generated through teaching with a method similar to the standard measurement mode.
  • the measuring program is executed twice repeatedly.
  • processing for moving the imaging means relative to the measurement stage and acquiring instantaneous image information at the designated position is executed.
  • processing for reading the captured image information and image processing are executed together. Therefore, the measuring program can be configured similar to the conventional standard measurement mode.
  • a measuring program for non-stop image measurement can be generated through teaching with a method similar to the standard measurement mode.
  • Fig. 1 is a perspective view showing an entire configuration of an image measuring system according to an embodiment of the present invention.
  • This system comprises a non-contact image measuring machine 1, a computer system 2 operative to drive/control the image measuring machine 1 and execute required data processing, and a printer 3 operative to print out a measurement result.
  • the image measuring machine 1 is configured as follows.
  • a table 11 is provided and a measurement stage 13 is installed thereon to receive a measuring object (hereinafter referred to as a work) 12 mounted thereon.
  • the measurement stage 13 is driven in the Y-axis direction by a Y-axis drive mechanism, not shown.
  • Fixed at the central portion between both edges of the table 11 are support arms 14, 15 extending upward.
  • An X-axis guide 16 is fixed to the support arms 14, 15 to link both upper ends thereof.
  • An imaging unit 17 is supported on the X-axis guide 16.
  • the imaging unit 17 is driven along the X-axis guide 16 by an X-axis drive mechanism, not shown.
  • a CCD camera 18 is installed on a lower end of the imaging unit 17 as opposed to the measurement stage 13.
  • the imaging unit 17 contains an illuminator and a focusing mechanism, not shown, as well as a Z-axis drive mechanism operative to shift the position of the CCD camera 18 in the Z-axis direction
  • the computer system 2 includes a computer body 21, a keyboard 22, a joystick box (hereinafter referred to as J/S) 23, a mouse 24, and a display unit 25.
  • the computer body 21 realizes various functions as shown in Fig. 2 together with certain programs stored therein.
  • stage movement processor 31 for controlling the image measuring machine 1 based on an instruction input from input means such as the keyboard 22, the J/S 23 and the mouse 24; an illumination adjustment processor 32; and an other measurement condition adjustment processor 33.
  • the stage movement processor 31 controls the XYZ-axes drive mechanisms in the image measuring machine 1 based on a stage movement instruction input from input means to shift the position of the CCD cameral 18 relative to the measurement stage 13.
  • the illumination adjustment processor 32 flashes the illuminator in the image measuring machine 1 as a strobe light at a certain cycle successively and adjusts the pulse width of the strobe light based on an illumination adjustment instruction input from input means.
  • the other measurement condition adjustment processor 33 adjusts other measurement conditions such as lens magnification and focusing adjustment based on instruction inputs for other measurement condition adjustments.
  • the stage position, the information about the pulse width of the strobe light and the information about the other measurement conditions adjusted at the processors 31-33 are fetched into a parameter input unit 34 based on a certain instruction input from input means.
  • the parameter fetched in the parameter input unit 34 is stored in a parameter memory 35.
  • a part program generator 36 uses the parameter stored in the parameter memory 35 to generate a part program for measurement. If input means instructs a non-stop measurement mode, the part program generator 36 generates a part program for the non-stop measurement mode.
  • the generated part program is stored in a part program memory 37.
  • a part program executor 38 is operative to read a required part program out of the part program memory 37 and execute it.
  • the part program executor drives the stage movement processor 31, the illumination adjustment processor 32, the other measurement condition adjustment processor 33, an image acquisition unit 42 and an image processor 43 appropriately.
  • the pieces of image information imaged at the CCD camera 18 are sequentially stored in an image memory 41.
  • the pieces of image information stored in the image memory 41 are sequentially displayed on the display unit 25 and captured by the image acquisition unit 42 as still images based on the part program.
  • the image processor 43 executes image processing for image measurement, such as setting of a measuring tool, detection of edges, and detection of coordinates.
  • a measurement operation of the image measuring system according to the embodiment thus configured and a method of generating a part program are described next.
  • Fig. 3 is a flowchart showing a procedure of image measurement in the conventional standard measurement mode.
  • the image measurement in the standard measurement mode includes sequential executions of stage movement, illumination setting, image acquisition and image processing in a procedure per measurement element. After completion of the measurement at the position, the measurement position is moved to the next to execute similar processing.
  • the image measurement in the standard measurement mode completes a measurement at each element (such as a point measurement 1, a point measurement 2,).
  • non-stop measurement mode measurement processing is separated into non-stop image acquisition and image processing as shown in Fig. 4 .
  • the non-stop image acquisition while the position of the measurement stage 13 relative to the CCD camera 18 is shifted along a measurement path that passes through each measurement position, strobe illumination and image acquisition (and saving) are successively executed for all measurement positions at an instance on passing through the measurement position. After completion of all image acquisitions, image processing is executed. In the image processing, the acquired and saved pieces of image information are read out one by one. In addition, image processing such as edge detection is successively executed for all measurement positions.
  • the non-stop measurement mode requires no confirmation of a stop of the stage as in the standard measurement mode and accordingly can achieve a fast measurement operation.
  • FIG. 5 A flow of operation for such the non-stop image measurement is shown in Fig. 5 .
  • a part program is generated through teaching in the non-stop measurement mode (S1), then the generated part program is employed to execute a non-stop measurement (S2).
  • Two methods can be considered to execute the non-stop measurement shown in Fig. 4 through teaching similar to the conventional standard measurement mode.
  • the first is such a method (an embodiment 1-1) that adds a new function to the part program generation (S1) to make the part program itself configured suitable for the non-stop measurement while leaving the part program execution (S2) itself almost same as the conventional one.
  • the second is such a method (an embodiment 1-2) that adds no particularly new function to the part program generation (S1) itself and leaves the configuration of the part program almost same as the part program in the standard measurement mode. In this case, a new function is added to the part program execution (S2) to realize the non-stop measurement mode.
  • the two methods are described below individually.
  • Fig. 6 shows an example of a part program to be generated.
  • This part program comprises three subroutine blocks (Sub QVBlock_1, Sub QVBlock_2, Sub QVBlock_3).
  • the first subroutine block (Sub QVBlock_1), instructions for setting a lens magnification and illumination are described in the first two lines, followed by movement path commands instructing movement and strobe illumination and image acquisition per measurement element.
  • the second and third subroutine blocks (Sub QVBlock_2, Sub QVBlock_3) are measurement blocks.
  • the part program generator 36 operative to generate such the part program executes the following procedure.
  • stage drive processing is executed (S12). This allows the operator to perform an operation for positioning the imaging range at a measurement position.
  • the strobe pulse may be generated in synchronization with a vertical synchronizing signal (VSync) for the CCD camera 18.
  • VSync vertical synchronizing signal
  • an image displayed on the display unit 25 can be lightened as a whole.
  • an image displayed on the display unit 25 can be darkened as a whole. Therefore, the most appropriate amount of light may be determined visually through dialog adjustment within 0-100 % while confirming the image displayed on the display unit 25.
  • the strobe illumination may be realized with the use of an LED or a xenon lamp.
  • the operator shifts the position of the measurement stage 13 relative to the CCD camera 18 to a measurement-intended position, and fixes the CCD camera 18 and the measurement stage 13 on that position.
  • the operator sets measurement conditions, for example, by focusing and adjusting the amount of light while confirming the display screen of the display unit 25, and enters a measurement instruction, thereby acquiring parameters required for the non-stop measurement at that position.
  • the part program executor 38 may be configured almost similar to the conventional one.
  • the part program itself is configured suitable for the non-stop measurement.
  • the part program itself is almost same as that in the standard measurement mode while processing in the part program executor 38 is different from the conventional one.
  • Fig. 9 shows a part program according to the embodiment 2.
  • the part program includes a command for switching to the non-stop measurement mode described in the beginning, and a command for switching to the standard measurement mode described in the tail.
  • the part program comprises three subroutine blocks (Sub QVBlock_1, Sub QVBlock_2, Sub QVBlock_3), like the embodiment 1.
  • the first subroutine block (Sub QVBlock_1)
  • instructions for setting measurement conditions such as a lens magnification and illumination are described.
  • the second and third subroutine blocks (Sub QVBlock_2, Sub QVBlock_3) described per measurement unit are commands of movement to the measurement position and strobe illumination and image acquisition, and image reading, measurement condition setting, image processing (edge detection), and measurement end.
  • the processing is specifically shown in Fig. 10 .
  • a command for switching to the non-stop measurement mode is recorded in the beginning (S31).
  • a new subroutine block is created, and a movement position, an image reading command and an image processing command per measurement unit are recorded (S32).
  • an image acquisition command and a command for switching to the standard measurement mode are recorded (S33).
  • Other points including the illumination adjustment are similar to those in the embodiment 1.
  • the generated part program is executed as follows.
  • the part program executor 38 on detection of the command for switching to the non-stop measurement mode in the beginning of the part program, repeatedly executes the processing twice, which lasts to the step immediately before the command for switching to the standard command.
  • the first execution only the portions shown with bold characters in Fig. 11A , that is, the portions including measurement condition setting, movement position recording and non-stop image acquisition are executed.
  • the second execution only the portions shown with bold characters in Fig. 11B , that is, the portions including image reading and image processing are executed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Input (AREA)
  • Image Analysis (AREA)

Claims (6)

  1. Procédé de génération de programme de mesure d'image sans interruption pour une mesure d'image comprenant l'étape consistant à déplacer des moyens d'imagerie (18) par rapport à un étage de mesure (13) supportant un objet de mesure (12) tout en éclairant l'objet de mesure avec un éclairage stroboscopique et en capturant des informations d'image instantanées sur l'objet de mesure à des positions de mesure désignées sans interrompre les moyens d'imagerie, caractérisé en ce que le procédé comprend les étapes consistant à :
    - déplacer la position des moyens d'imagerie par rapport à l'étage de mesure en se fondant sur une entrée d'instruction de mouvement d'étage ;
    - ajuster la quantité de lumière éclairant l'objet de mesure en faisant clignoter l'éclairage stroboscopique suivant un certain cycle de façon répétée par impulsions et en synchronisme avec un signal de synchronisation verticale des moyens d'imagerie et ajuster la largeur d'impulsion de l'éclairage stroboscopique en se fondant sur une entrée d'instruction d'ajustement d'éclairage tout en affichant en continu sur un appareil d'affichage des informations d'image de l'objet de mesure, le cycle d'éclairage de l'éclairage stroboscopique et le signal de synchronisation verticale en synchronisme ; et
    - générer le programme de mesure pour une mesure d'image comprenant les étapes consistant à extraire des informations positionnelles sur les moyens d'imagerie par rapport à l'étage de mesure et des informations sur la largeur d'impulsion de l'éclairage stroboscopique fondées sur une certaine entrée d'instruction, éclairer l'objet de mesure tout en passant par la position indiquée par les informations positionnelles extraites, avec l'éclairage stroboscopique de la largeur d'impulsion extraite à cette position, et capturer des informations d'image instantanées sur l'objet de mesure.
  2. Procédé de génération de programme de mesure d'image sans interruption selon la revendication 1, l'étape de génération du programme de mesure comprenant les étapes consistant à enregistrer les informations positionnelles dans un premier bloc de sous-programme à chaque fois que les informations positionnelles sont extraites et créer un nouveau bloc de sous-programme pour enregistrer dans ce nouveau bloc de sous-programme une commande de lecture d'image et une commande de traitement d'image correspondant aux informations positionnelles, et
    - enregistrer à la réception d'une instruction de commencement de mesure une commande pour rendre compte du commencement de l'acquisition d'image derrière une série des informations positionnelles dans le premier bloc de sous-programme.
  3. Procédé de génération de programme de mesure d'image sans interruption selon la revendication 1, l'étape de génération du programme de mesure comprenant les étapes consistant à :
    - enregistrer au début du programme une commande pour commuter en un mode de mesure sans interruption ;
    - créer un nouveau bloc de sous-programme à chaque fois que les informations positionnelles sont extraites et enregistrer les informations positionnelles dans le bloc de sous-programme créé et enregistrer dans le bloc de sous-programme une commande de lecture d'image et une commande de traitement d'image correspondant aux informations positionnelles ; et
    - enregistrer à la réception d'une instruction de commencement de mesure une commande pour rendre compte du commencement de l'acquisition d'image derrière un bloc de sous-programme final.
  4. Procédé d'exécution de programme de mesure d'image sans interruption pour une mesure d'image comprenant l'étape consistant à déplacer des moyens d'imagerie (18) par rapport à un étage de mesure (13) supportant un objet de mesure tout en éclairant l'objet de mesure (12) avec un éclairage stroboscopique et en capturant des informations d'image instantanées sur l'objet de mesure à des positions de mesure désignées sans interrompre les moyens d'imagerie, caractérisé en ce que le procédé comprend les étapes consistant à :
    - exécuter le programme de mesure deux fois de suite ;
    - exécuter, à la première exécution, un traitement pour déplacer les moyens d'imagerie par rapport à l'étage de mesure suivant un chemin passant par la position indiquée par plusieurs pièces d'informations positionnelles décrites dans le programme de mesure tout en éclairant l'objet de mesure avec l'éclairage stroboscopique par impulsions et en synchronisme avec un signal de synchronisation verticale des moyens d'imagerie et acquérir des informations d'image instantanées sur l'objet de mesure à la position désignée par les informations positionnelles tout en affichant en continu sur un appareil d'affichage des informations d'image de l'objet de mesure, le cycle d'éclairage de l'éclairage stroboscopique et le signal de synchronisation verticale en synchronisme ; et
    - exécuter, à la deuxième exécution, un traitement pour lire les informations d'image capturées et un certain traitement d'image aux informations d'image lues.
  5. Système de mesure d'image comportant un mode de mesure sans interruption pour une mesure d'image comprenant l'étape consistant à déplacer des moyens d'imagerie par rapport à un étage de mesure supportant un objet de mesure tout en éclairant l'objet de mesure avec un éclairage stroboscopique et en capturant des informations d'image instantanées sur l'objet de mesure à des positions de mesure désignées sans interrompre les moyens d'imagerie,
    - caractérisé en ce que le système comprend :
    - des moyens utilisables pour entrer une instruction de mouvement d'étage, une instruction d'ajustement d'éclairage et certaines autres instructions ;
    - des moyens utilisables pour déplacer la position des moyens d'imagerie par rapport à l'étage de mesure en se fondant sur l'instruction de mouvement d'étage entrée ;
    - des moyens utilisables pour ajuster la quantité de lumière éclairant l'objet de mesure en faisant clignoter l'éclairage stroboscopique suivant un certain cycle de façon répétée par impulsions et en synchronisme avec un signal de synchronisation verticale des moyens d'imagerie et ajuster la largeur d'impulsion de l'éclairage stroboscopique en se fondant sur l'instruction d'ajustement d'éclairage entrée tout en affichant en continu sur un appareil d'affichage des informations d'image de l'objet de mesure, le cycle d'éclairage de l'éclairage stroboscopique et le signal de synchronisation verticale en synchronisme ; et
    - des moyens utilisables pour générer le programme de mesure pour une mesure d'image comprenant les étapes consistant à extraire des informations positionnelles sur les moyens d'imagerie par rapport à l'étage de mesure et des informations sur la largeur d'impulsion de l'éclairage stroboscopique fondées sur certaines instructions entrées, éclairer l'objet de mesure tout en passant par la position indiquée par les informations positionnelles extraites, avec l'éclairage stroboscopique de la largeur d'impulsion extraite à cette position, et capturer des informations d'image instantanées sur l'objet de mesure.
  6. Système de mesure d'image comportant un mode de mesure sans interruption pour une mesure d'image comprenant l'étape consistant à déplacer des moyens d'imagerie (18) par rapport à un étage de mesure (13) supportant un objet de mesure (12) tout en éclairant l'objet de mesure avec un éclairage stroboscopique et en capturant des informations d'image instantanées sur l'objet de mesure à des positions de mesure désignées sans interrompre les moyens d'imagerie,
    - caractérisé en ce que le système comprend des moyens d'exécution de programme de mesure utilisables pour exécuter le programme de mesure deux fois de suite dans le mode de mesure sans interruption ;
    - exécutant, à la première exécution, un traitement pour déplacer les moyens d'imagerie par rapport à l'étage de mesure suivant un chemin passant par la position indiquée par plusieurs pièces d'informations positionnelles décrites dans le programme de mesure tout en éclairant l'objet de mesure avec l'éclairage stroboscopique par impulsions et en synchronisme avec un signal de synchronisation verticale des moyens d'imagerie et acquérir des informations d'image instantanées sur l'objet de mesure à la position désignée par les informations positionnelles tout en affichant en continu sur un appareil d'affichage des informations d'image de l'objet de mesure, le cycle d'éclairage de l'éclairage stroboscopique et le signal de synchronisation verticale en synchronisme ; et
    - exécuter, à la deuxième exécution, un traitement pour lire les informations d'image capturées et un certain traitement d'image aux informations d'image lues.
EP06011512.8A 2005-06-03 2006-06-02 Système de mesure de l'image et procédés de génération et d'exécution du programme de mesure de l'image sans interruption Active EP1729194B2 (fr)

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US20090284759A1 (en) 2009-11-19
CN101706254B (zh) 2012-06-13
EP1729194A2 (fr) 2006-12-06
US20060274193A1 (en) 2006-12-07
EP1729194B2 (fr) 2018-01-10
CN101706254A (zh) 2010-05-12
JP4833588B2 (ja) 2011-12-07
EP1729194A3 (fr) 2012-04-25
CN1873372A (zh) 2006-12-06
US7728990B2 (en) 2010-06-01
CN100575863C (zh) 2009-12-30
JP2006337275A (ja) 2006-12-14
US7599073B2 (en) 2009-10-06

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